The Chinese government’s decision to establish an “air defense identification zone” over the disputed Diaoyu Islands (called the Senkaku Islands by Japan) has angered both Japan and the U.S. Tensions escalated between China and Japan in 2012 when Japan bought three of the islands from their private owner, sparking protests in China. BBC reports on the new zone, in which the Chinese military would require all aircraft to identify themselves:
In its statement,